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Colorado Avalanche' Patrick Bordeleau (58) lands a punch on Calgary Flames' Brian McGrattan during the first period of their NHL hockey game in Calgary, Alberta, March 27, 2013. REUTERS/Mike Sturk

Colorado Avalanche's Gabriel Landeskog, right, of Sweden, crashes to the ice after a check from Calgary Flames' Mark Giordano during the first period of their NHL hockey game in Calgary, Alberta, Wednesday, March 27, 2013. (AP Photo/The Canadian Press, Jeff McIntosh)

Hall of Famer Wayne Gretzky attends an NHL hockey game between the Calgary Flames and Colorado Avalanche in Calgary, Alberta, Wednesday, March 27, 2013. (AP Photo/The Canadian Press, Jeff McIntosh)

Colorado Avalanche goalie Semyon Varlamov, right, of Russia, looks back at the puck in the net as Calgary Flames' Tim Jackman watches during the first period of their NHL hockey game in Calgary, Alberta, Wednesday, March 27, 2013. (AP Photo/The Canadian Press, Jeff McIntosh)

Calgary Flames' Jiri Hudler (C) is sandwiched by Colorado Avalanche's Erik Johnson (L) and Cody McLeod during the first period of their NHL hockey game in Calgary, Alberta, March 27, 2013. REUTERS/Mike Sturk

Colorado Avalanche goalie Semyon Varlamov, left, of Russia, stops a shot from Calgary Flames' Lee Stempniak during the first period of their NHL hockey game in Calgary, Alberta, Wednesday, March 27, 2013. (AP Photo/The Canadian Press, Jeff McIntosh)

Calgary Flames' Steve Begin (25) is mobbed by teammates after scoring against the Colorado Avalanche during the first period of their NHL hockey game in Calgary, Alberta, March 27, 2013. REUTERS/Mike Sturk